Sinonasal Schwannoma with New Bone Formation Expressing Bone Morphogenic Protein
Figure 2
Horizontal (a) and axial (b) magnetic resonance imaging (MRI) showed a nasal tumor in the left nasal cavity with a hypointense signal on T1-weighted images, and a moderately hyperintense signals on T2-weighted images. This signal was different from that of the left maxillary sinus lesions.
